Currently known DVB-S2 Devices ... to be added to categories above

Genpix 8PSK module

Broadcom 4500 (USB) Couldn't see any S2 specifics in this one, No DVB-S2 framing ... the genpix 8PSK module can be purchased, and they have a driver too (similar one to the dst module) ... there are patches floating around.

Linux DVB API version 5 (also known as S2API) was released in kernel version 2.6.28 and
supports DVB-S2. A number of DVB-S2 cards are supported under Linux and a number of others have
experimental support.